METHODS OF WELDING BATTERY TERMINALS
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Dec 1, 2009
filing date -
Jan 7, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of manufacturing a battery including: supplying a busbar having a U-shaped portion defining a channel and characterized by a bend corner at one end of the U-shaped portion, wherein the busbar has a reduced-reflectivity treatment at least in the vicinity of the bend corner; positioning a single battery terminal in the channel formed by the U-shaped portion so that the top end of the terminal is proximate to the bend corner; directing a laser beam at the bend corner of the U-shaped portion; and with the laser beam, melting the busbar at the bend corner and forming a metallurgical bond between the busbar and the top end of the single terminal.
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